Changed default type for objects from nt:folder to fedora:baseObject which is configurable by repo manager; changed default CND.
Some corrections in CND file.
Reverted primary type option.
Fixed createObject error.
Moved default nt definition to RdfLexicon.
Moved default nt definition to RdfLexicon.
Merge branch 'primary-type' of https://github.com/scossu/fcrepo4 into primary-type
Renamed Maven modules to feature human-useful names
Merge pull request #223 from futures/RenameNames

Renamed Maven modules to feature human-useful names

Resolves: https://www.pivotaltracker.com/story/show/64669346
Create new kernel API module with RDF lexicon
Move EventType to kernel API
Rename API module
Factor interfaces out of kernel into API

Resolves https://www.pivotaltracker.com/story/show/63569964
Merge remote-tracking branch 'origin/master' into primary-type
Merge remote-tracking branch 'origin/pr/222' into primary-type